Add this query parameter to a URI to get back row counts grouped by the address book
index as cursor extras. For most languages it is the first letter of the sort key. This
parameter does not affect the main content of the cursor.

public
static
final
int
TYPE_WORK

Fields

The content:// style URL for email lookup using a filter. The filter returns
records of MIME type CONTENT_ITEM_TYPE. The filter is applied
to display names as well as email addresses. The filter argument should be passed
as an additional path segment after this URI.

The query in the following example will return "Robert Parr (bob@incredibles.com)"
as well as "Bob Parr (incredible@android.com)".